🧠 Cognitive Enhancement Research

Nootropic & Neuroprotective Peptides

Research-Grade Cognitive Enhancement Peptides for Neuroscience

High-purity synthetic peptides for studying cognitive enhancement, neuroprotection, and neuroplasticity. Includes the complete Semax and Selank modification series.

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Semax & Selank Modification Series

Explore the full spectrum of modifications — from original to N-acetylated to double-modified variants.

Semax

H-Met-Glu-His-Phe-Pro-Gly-Pro-OH

ACTH(4-7) analogue. Upregulates BDNF and NGF expression. Original formulation.

BDNF NGF Original

na-Semax

Ac-Met-Glu-His-Phe-Pro-Gly-Pro-OH

N-acetylated Semax. Enhanced metabolic stability and extended half-life vs. original.

BDNF N-Acetylated Enhanced

na-Semax-NH2

Ac-Met-Glu-His-Phe-Pro-Gly-Pro-NH2

Dual-modified Semax (N-acetyl + C-amide). Maximum stability and BBB penetration.

BDNF Dual-Modified 🔥 Popular

Selank

Thr-Lys-Pro-Arg-Pro-Gly-Pro

Tuftsin analogue with anxiolytic and nootropic activity. Modulates GABA-ergic system.

GABA Anxiolytic Original

na-Selank

Ac-Thr-Lys-Pro-Arg-Pro-Gly-Pro-OH

N-acetylated Selank. Improved enzymatic resistance.

GABA N-Acetylated Enhanced

na-Selank-NH2

Ac-Thr-Lys-Pro-Arg-Pro-Gly-Pro-NH2

Dual-modified Selank. Enhanced stability with preserved anxiolytic profile.

GABA Dual-Modified 🔥 Popular

Advanced Nootropic Peptides

Dihexa

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Potent HGF/c-Met receptor agonist. 10 million times more potent than BDNF in promoting synaptogenesis in preclinical models.

HGF/c-Met Synaptogenesis 🔥 Trending

FGL

PYR-VYVVAENQQGKSKA

NCAM (Neural Cell Adhesion Molecule) mimetic peptide. Enhances synaptic plasticity and long-term potentiation.

NCAM LTP Plasticity

Pinealon

H-Glu-Asp-Arg-OH

Pineal gland tripeptide bioregulator. Neuroprotective and geroprotective properties via epigenetic regulation.

Pineal Neuroprotective Khavinson

P21 (Adamantyl)

Ac-Asp-Gly-Gly-Leu-(Adma)-NH2

CNTF (Ciliary Neurotrophic Factor) small-molecule mimetic. Promotes adult hippocampal neurogenesis.

CNTF Neurogenesis 🔥 Popular

Semax & Selank Modification Comparison

Variant	Modification	Stability	BBB Penetration	Notes
Semax	None (original)	Baseline	Baseline	Russian-approved nootropic
N-Acetyl Semax	N-Acetylation	↑↑ Enhanced	↑ Improved	Extended half-life
N-Acetyl Semax Amide	N-Acetyl + C-Amide	↑↑↑ Maximum	↑↑ Maximum	Most popular research variant
Selank	None (original)	Baseline	Baseline	Russian-approved anxiolytic
N-Acetyl Selank	N-Acetylation	↑↑ Enhanced	↑ Improved	Better enzymatic resistance
N-Acetyl Selank Amide	N-Acetyl + C-Amide	↑↑↑ Maximum	↑↑ Maximum	Most popular research variant

Custom Peptide Synthesis Quote

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For research use only. Not for human consumption. These products are not drugs and have not been approved by the FDA to diagnose, treat, cure, or prevent any disease.